spiral roofing nails

spiral roofing nails

...

spiral roofing nails spiral roofing nails

Read More
  • In strict accordance with the multi-pass small compression rate drawing, the total compression rate is 96.48%, reducing the scraping of zinc layer. The whole wire drawing die is made of tungsten steel die and polycrystalline die. The Angle of the working cone of the wire drawing die is 12° ~ 16°, and the length of the sizing belt is 0.15 of the diameter of the wire, so as to ensure that the deformation of the zinc layer is basically synchronous with the steel wire substrate.

    spiral roofing nails

    ...

    spiral roofing nails spiral roofing nails

    Read More

  • Post time: 02-11-22

    spiral roofing nails

    ...

    spiral roofing nails spiral roofing nails

    Read More
  • spiral roofing nails

    ...

    spiral roofing nails spiral roofing nails

    Read More
  • Third, positive and negative twisting barbed rope appearance is beautiful

    spiral roofing nails

    ...

    spiral roofing nails spiral roofing nails

    Read More
  • spiral roofing nails

    ...

    spiral roofing nails spiral roofing nails

    Read More
  • 

    Popular articles

    Latest articles

    Links